考慮為晚期同種異名 Gambusia affinis (Baird & Girard, 1853)

• Baird, Spencer F. & C.F. Girard. 1853. "Descriptions of new species of fishes collected by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, under Lt. Col. Jas. D. Graham". Proceedings of the Academy of Natural Sciences of Philadelphia. 6:387-390 - (ffm04562)

最初命名為 Gambusia myersi:

Ahl, Ernst. 1923. "Gambusia modesta sp. n". Blätter für Aquarien- und Terrarien-Kunde. Stuttgart. 34:220-221 - (ffm04572)